Location fingerprint indoor positioning system and method based on bionics

• Main Authors: QUAN MEIJING, HAN ZHIWU, WANG YUEQIAO, JIANG SHOUKUN, SONG YANG, YOU ZIYUE, LIU YUN, LIU FU, WANG KE, HOU TAO, ZHAO YUFENG
• Format: Patent
• Language: Chinese; English
• Published: 15.02.2019
• Subjects: ANALOGOUS ARRANGEMENTS USING OTHER WAVES; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; ELECTRIC COMMUNICATION TECHNIQUE; ELECTRICITY; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES; MEASURING; PHYSICS; RADIO DIRECTION-FINDING; RADIO NAVIGATION; TESTING; WIRELESS COMMUNICATIONS NETWORKS

The invention provides a location fingerprint indoor positioning system and method based on bionics. Step signals collected by acceleration sensor modules are transmitted to a host computer. The hostcomputer receives the step signals, constructs pulse fingerprint feature vectors corresponding to the step signals, matches the constructed pulse fingerprint feature vectors with fingerprint feature vectors stored in a pre-established pulse fingerprint feature database, and realizes user location positioning by using a WKNN algorithm. The vibration source positioning mechanism of scorpion is imitated, and the pulse number is taken as a fingerprint feature. As the fingerprint feature is obtained after the processing of location information by a scorpion-imitating nervous system, the fingerprintfeature is an index capable of characterizing the signal characteristic with finer granularity than RSS. Therefore, the information of a target location can be described more clearly, and more accurate user location positioni